David De Lossy/Digital Vision(WASHINGTON) -- Sophia made its debut at the top of the most popular baby names for girls in America in 2011, knocking Isabella out of the top spot. For the thirteenth year in a row Jacob was the most popular male baby name.

The top ten list for both girls and boys names released by the Social Security Administration were virtually identical to 2010, with one major exception. The boy name "Mason" appeared in the top ten for the first time, pushing Anthony out of the popular Top 10 club.

Stockbyte/Thinkstock(NEW YORK) -- If you named your new baby Aiden or Sophia this year, you had a lot of company. Those monikers topped Babycenter.com’s list of the 100 most popular baby names for boys and girls in 2011.